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Home » Public Forums » GMCnet » Out with the old- in with the new. (Replacing the original pump.)
Re: [GMCnet] Out with the old- in with the new. [message #327664 is a reply to message #327660] Tue, 02 January 2018 07:42 Go to previous messageGo to previous message
Richard Denney is currently offline  Richard Denney   United States
Messages: 920
Registered: April 2010
Karma:
Senior Member
The tank on the OP's '74 with Power Level is more like something over a
gallon. My rebuilt Dana would take 7 minutes (from distant memory) to fill
it over the range of the pressure switch, while the Viair did it in a small
fraction of that.

Rick "recalling some disappointment in the outcome of that rebuild" Denney

On Tue, Jan 2, 2018 at 4:29 AM, Ken Burton wrote:

>
> You are correct the tank is something just over a quart. About the only
> time that I hear the compressor kick on is if I switch from a relatively
> flat
> interstate to a 2 lane country road. Also if I pickup a good crosswind it
> will auto level and sometimes kick on for that. Due to the delay in the
> level sensing switches it seldom corrects much for normal road
> variations. The corrections only occur if the out of normal conditions
> stay constant
> for a period of time. I do not know what that time value is. To be
> honest I seldom think about it since it is all automatic like GM designed
> it.
>


--
'73 X-Glacier 230 "Jaws"
Northern Virginia
Offlist email: rick at rickdenney dot com
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